Results 141 to 150 of about 1,707 (203)

Modal response characterizations and mechanism separation modeling of amphibious vehicle body under different water entry depths. [PDF]

iScience
Li G, Bao K, Wang W, Zuo Z, Han Z, Zhao C, Wang H.   +6 more
europepmc   +1 more source

Electrical Resistance Activation of Embedded Fe-SMA Rebars in Pre-Cracked UHPFRC Beams: Internal Temperature Evolution and Calibrated Electro-Thermal Simulation. [PDF]

Materials (Basel)
Tabrizikahou A, Białasik J, Nowak K, Lehmann K, Trzmiel G, Dobrzycki A.   +5 more
europepmc   +1 more source

Experimental and theoretical study on flexural performance of concrete beams strengthened by unbonded prestressed ultra-high performance concrete layer. [PDF]

Sci Rep
Feng F, Zuanfeng P, Hongcai P.
europepmc   +1 more source

Testing the Corrosion Rate of Prestressed Concrete Beams Under Variable Temperature and Humidity Conditions. [PDF]

Materials (Basel)
Szweda Z, Krak M, Czerniak S, Skórkowski A, Małek J, Sikorski J, Trojan J, Konečný P, Vacek M, Marek J.   +9 more
europepmc   +1 more source

Applications of Aramid Fiber-Reinforced Polymer Composites in Civil Engineering: A Review. [PDF]

Polymers (Basel)
Wang A, Lan R, Chen Q, Kong W, Liu H, Yue Q, Liu X.   +6 more
europepmc   +1 more source

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Strengthening prestressed concrete with prestressed CFRP

Proceedings of the Institution of Civil Engineers - Engineering and Computational Mechanics, 2009
This paper presents the effect of unevenly prestressed carbon-fibre-reinforced polymer (CFRP) sheets used for strengthening a prestressed concrete beam (L = 3·6 m). An integrated anchor system, consisting of steel brackets and anchor plates, is used to prestress the sheets.
Y. J. Kim, M. F. Green
openaire   +1 more source

The Power of Prestressing

Structural Concrete, 2003
The idea of prestressing—a product of the twentieth century—has announced the single most significant new direction in structural engineering of any period in history. It put into the hands of the designer an ability to control structural behaviour and, at the same time, it enabled the designer—or forced the designer—to think more deeply about the ...
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Identification of prestress force in a prestressed Timoshenko beam

Structural Engineering and Mechanics, 2008
This paper presents a new identification approach to prestress force. Firstly, a bridge deck is modeled as a prestressed Timoshenko beam. The time domain responses of the beam under sinusoidal excitation are studied based on modal superposition. The prestress force is then identified in the time domain by a system identification approach incorporating ...
Z.R. Lu, J.K. Liu, S.S. Law
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Prestressed FRP Systems

2015
This chapter provides an overview on the state-of-the-art in prestressing systems for the structural retrofitting of reinforced concrete (RC) structures using Externally Bonded (EB) Fibre Reinforced Polymers (FRP). Focus is put on flexural strengthening, which currently is the most common application field for composite materials in structural ...
Michels, Julien, Barros, Joaquim, Costa, Inês, Sena Cruz, José, Czaderski, Christoph, Giacomin, Giorgio, Kotynia, Renata, Lees, Janet, PELLEGRINO, CARLO, Zile, Edmunds   +9 more
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Loss of Prestress, Deflection, and Partial Prestress

1990
This chapter includes discussions of several important, frequently encountered subjects that pertain to the elastic design of simple prestressed concrete flexural members. An engineer who frequently is engaged in the design of prestressed structures will become familiar with these relationships through design experience.
openaire   +1 more source